* [Bug 205523] New: AMDGPU display lockup during boot with 5.4 RC on Ryzen 2700u
@ 2019-11-14 7:03 bugzilla-daemon
2019-11-14 11:19 ` [Bug 205523] " bugzilla-daemon
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: bugzilla-daemon @ 2019-11-14 7:03 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=205523
Bug ID: 205523
Summary: AMDGPU display lockup during boot with 5.4 RC on Ryzen
2700u
Product: Drivers
Version: 2.5
Kernel Version: 5.4.0-rc7
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: briancschott@gmail.com
Regression: No
Created attachment 285907
--> https://bugzilla.kernel.org/attachment.cgi?id=285907&action=edit
journalctl output
I'm getting a black screen on boot when testing the 5.4 release candidate
kernels on a Dell Inspiron 7375 laptop. The system responds to the magic sysrq,
so the kernel is not completely dead, but the display is. The system boots
correctly with a 5.3.1 kernel. The log showing the stack trace is attached.
I'll start working on bisecting the problem soon.
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* [Bug 205523] AMDGPU display lockup during boot with 5.4 RC on Ryzen 2700u
2019-11-14 7:03 [Bug 205523] New: AMDGPU display lockup during boot with 5.4 RC on Ryzen 2700u bugzilla-daemon
@ 2019-11-14 11:19 ` bugzilla-daemon
2019-11-14 15:04 ` bugzilla-daemon
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2019-11-14 11:19 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=205523
--- Comment #1 from briancschott@gmail.com ---
1c4259159132ae4ceaf7c6db37a6cf76417f73d9 is the first bad commit
commit 1c4259159132ae4ceaf7c6db37a6cf76417f73d9
Author: Shirish S <shirish.s@amd.com>
Date: Tue Jul 16 14:49:48 2019 +0530
drm/amd/display: enable S/G for RAVEN chip
enables gpu_vm_support in dm and adds
AMDGPU_GEM_DOMAIN_GTT as supported domain
v2:
Move BO placement logic into amdgpu_display_supported_domains
v3:
Use amdgpu_bo_validate_uswc in amdgpu_display_supported_domains.
v4:
amdgpu_bo_validate_uswc moved to sepperate patch.
Signed-off-by: Shirish S <shirish.s@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 2 +-
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
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* [Bug 205523] AMDGPU display lockup during boot with 5.4 RC on Ryzen 2700u
2019-11-14 7:03 [Bug 205523] New: AMDGPU display lockup during boot with 5.4 RC on Ryzen 2700u bugzilla-daemon
2019-11-14 11:19 ` [Bug 205523] " bugzilla-daemon
@ 2019-11-14 15:04 ` bugzilla-daemon
2019-11-14 20:14 ` bugzilla-daemon
2019-11-23 18:39 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2019-11-14 15:04 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=205523
Alex Deucher (alexdeucher@gmail.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |alexdeucher@gmail.com
--- Comment #2 from Alex Deucher (alexdeucher@gmail.com) ---
Does disabling the IOMMU help? Set iommu=off or iommu=pt on the kernel command
line.
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* [Bug 205523] AMDGPU display lockup during boot with 5.4 RC on Ryzen 2700u
2019-11-14 7:03 [Bug 205523] New: AMDGPU display lockup during boot with 5.4 RC on Ryzen 2700u bugzilla-daemon
2019-11-14 11:19 ` [Bug 205523] " bugzilla-daemon
2019-11-14 15:04 ` bugzilla-daemon
@ 2019-11-14 20:14 ` bugzilla-daemon
2019-11-23 18:39 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2019-11-14 20:14 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=205523
--- Comment #3 from briancschott@gmail.com ---
"iommu=off" seems to work, "iommu=pt" does not.
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* [Bug 205523] AMDGPU display lockup during boot with 5.4 RC on Ryzen 2700u
2019-11-14 7:03 [Bug 205523] New: AMDGPU display lockup during boot with 5.4 RC on Ryzen 2700u bugzilla-daemon
` (2 preceding siblings ...)
2019-11-14 20:14 ` bugzilla-daemon
@ 2019-11-23 18:39 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2019-11-23 18:39 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=205523
Haxk20 (haxk612@gmail.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |haxk612@gmail.com
--- Comment #4 from Haxk20 (haxk612@gmail.com) ---
(In reply to Alex Deucher from comment #2)
> Does disabling the IOMMU help? Set iommu=off or iommu=pt on the kernel
> command line.
Is this permanent too ? This will regress and produce tearing in games running
with PRIME setup.
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